| Acronym | Meaning |
| SG | Semigeostrophic |
| AMC | Army Materiel Command |
| CAR | Central African Republic |
| ASP | Alarms And Shutdown Process |
| AFCRL | Air Force Cambridge Research Laboratories |
| AEERL | Air And Energy Engineering Research Laboratory |
| LAGEOS-2 | Laser Geodynamics Satellite-2 |
| OPP | Office Of Polar Programs |
| ISDN | Integrated Services Digital Network |
| APJ | The Astrophysical Journal |